$260 Cheap Flights from Seoul (ICN) to Sydney (SYD)
Popular airlines from Incheon Intl. Airport (ICN) to Sydney Airport (SYD)
Vietnam AirlinesVietnam Airlines
Thai Airways InternationalThai Airways International
Qantas AirwaysQantas Airways
Cathay PacificCathay Pacific
Malaysia AirlinesMalaysia Airlines
China Eastern AirlinesChina Eastern Airlines
Singapore AirlinesSingapore Airlines
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Cheap Flights from Seoul to Sydney (ICN-SYD)
Alternative airports near Sydney
Prices were available within the past 7 days. Prices and availability are subject to change.
Find the cheapest month to fly from Seoul (ICN) to Sydney (SYD)
March is typically the cheapest month to flyMarch is typically the cheapest month to fly
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Seoul (ICN) to Sydney (SYD) at a glance
Embark on your journey from Seoul (ICN) to Sydney (SYD) with a variety of airlines offering long-haul flights. Whether you’re looking for cheap flights from Seoul or prefer full-service options, you can easily compare itineraries that match your budget and schedule. As you prepare to explore Sydney’s iconic sights and vibrant neighborhoods, find essential details for your flight from Incheon International Airport (ICN) to Kingsford Smith International Airport (SYD).
- Fastest flight duration: around 10h 15m non-stop
- Route distance: roughly 5,200 miles (8,370 km)
- Flights per week: around 8 departures on average
- Typical fares (one-way): economy tickets often range from $190–$825, depending on seasonality and how far ahead you book
Flights from Incheon International Airport (ICN) to Kingsford Smith International Airport (SYD)
Based on recent traveler bookings, here are the top airlines favored for flights from Seoul to Sydney, featuring both non-stop and one-stop options. Popular layovers include Hong Kong International Airport (HKG) with a layover of about 3 hours and 30 minutes, Pudong International Airport (PVG) at approximately 2 hours and 15 minutes, and Changi Airport (SIN) with a 2-hour and 45-minute layover. This variety allows you to mix and match price, total travel time, and cabin class to find your ideal itinerary.
- Jetstar: This budget airline provides non-stop flights, with one-way ticket prices usually falling between $190 and $530. Jetstar operates about 31% of the departures on this route, with an overall travel time of 10 hours and 15 minutes.
- Korean Air: As a premium airline, Korean Air offers non-stop services, where one-way fares generally range from $355 to $1785. This carrier handles around 27% of the flights on this route, with a total journey duration of 10 hours and 15 minutes.
- Asiana Airlines: Another full-service option, Asiana Airlines provides non-stop flights, with one-way prices typically between $375 and $1810. This airline represents about 20% of the departures on this route, maintaining a total travel time of 10 hours and 15 minutes.
- Qantas Airways: Known for its full-service offerings, Qantas Airways offers non-stop flights with one-way fares typically ranging from $295 to $2330. It accounts for roughly 5% of departures on this route, with a complete journey time of 10 hours and 15 minutes.
- China Eastern Airlines: This full-service airline provides one-stop flights, with one-way fares generally between $200 and $2515. China Eastern accounts for approximately 5% of the departures on this route, with an in-flight duration of 13 hours and a total travel time of about 16 hours and 30 minutes, including the layover.
Travelers flying from Seoul to Sydney can upgrade their experience with business class options available on Asiana Airlines and Korean Air, both offering enhanced service for this route.
Best time to fly from Seoul (ICN) to Sydney (SYD)
The most popular months for travelers flying from Seoul to Sydney are January, March, and April, when peak temperatures in Sydney reach up to 73.4°F in January. If you prefer quieter travel, consider May, the least busy time to visit with temperatures around 61.2°F and typically the lowest average one-way fare (around $243). Flight availability peaks in December, with approximately 9 flights per week, making it easier to find convenient departure times.
- Cheapest time to fly: May usually offers good deals with average one-way fare around $243, roughly 62% cheaper than the yearly average.
- Most flight options: December has the highest number of flights from Seoul to Sydney, with approximately 9 flights per week, giving you more flexibility in scheduling your trip.
| Month | Temperature | Demand | Weekly Flights | Average one-way Fare |
| January | 73.4°F (23.0°C) | High | 8 | $1387 |
| February | 72.7°F (22.6°C) | Average | 8 | $1088 |
| March | 70.9°F (21.6°C) | High | 7 | $304 |
| April | 66.4°F (19.1°C) | High | 7 | $637 |
| May | 61.2°F (16.2°C) | Low | 7 | $243 |
| June | 57.2°F (14.0°C) | Low | 7 | $705 |
| July | 55.9°F (13.3°C) | Average | 8 | $695 |
| August | 57.2°F (14.0°C) | Average | 7 | $634 |
| September | 61.2°F (16.2°C) | Average | 8 | $401 |
| October | 64.6°F (18.1°C) | Low | 7 | $534 |
| November | 67.6°F (19.8°C) | Average | 7 | $418 |
| December | 70.3°F (21.3°C) | Average | 9 | $737 |
*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.
Alternative routes from Seoul (ICN) to Sydney (SYD)
- Seoul to Sydney (GMP-SYD): Located approximately 21 miles from Incheon International Airport (ICN), Gimpo International Airport (GMP) serves as an alternative departure point.
- Seoul to Newcastle (ICN-NTL): Williamtown Airport (NTL) lies around 87 miles from Kingsford Smith International Airport (SYD), providing another travel option.
How to find the best prices for flights from Seoul (ICN) to Sydney (SYD)
Getting some of the best deals on flights from Seoul to Sydney is all about timing and flexibility. Here are some key tips to help you save:
- Best times to book and fly: cheaper fares are generally available when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Evening departures between 6 PM and 12 AM usually offer lower prices and are popular among travelers. Additionally, flying on Sunday tends to be cheaper, although Friday remains the most popular travel day.
- Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
- Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
- Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
- Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
- Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.
*Members only. Savings vary and are not available on all bundles. Select hotels.
Arriving at Kingsford Smith International Airport from Incheon International Airport
Sydney welcomes travelers from Seoul with a range of transport options based on price, convenience, and proximity. Here's how to reach Sydney efficiently:
- Hotel transfer: Transfers offer a convenient way to reach your hotel in Sydney, with private rides that can be arranged in advance.
- Car rental: Renting a car from Kingsford Smith International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Kingsford Smith International Airport on Expedia.
- Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
- Public transportation: From Kingsford Smith International Airport, several transport links are conveniently located nearby. International Airport Station, a metro station, is just 0.1 miles away on foot, while Sydney Arncliffe Station, a train station, is about 1.2 miles away by car. Additionally, Sydney Seaport, a seaport, is approximately 6.7 miles from the airport by car.
Seoul to Sydney Flights
The cheapest times to fly from Seoul to Sydney
On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seoul to Sydney are during the month of June. You can find some of the cheapest flights from Seoul to Sydney with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Seoul to Sydney
Sunday is one of the best days to book for cheap flights from Seoul to Sydney: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.
How to find cheap round-trip tickets from Seoul to Sydney
Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seoul to Sydney in 2026. You can also book with separate airlines for your outbound and return journeys, from $260 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.
Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seoul to Sydney flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.
You could also save big by booking one of Expedia's vacation packages. Bundling together your Seoul to Sydney airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.
*Terms apply.
Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.
Frequently Asked Questions
How much does a flight from Seoul (ICN-Incheon Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) cost?
You can find cheap one-way flights from $260 and cheap return flights $532 Seoul (ICN-Incheon Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) with Expedia. One-way flights usually range from $251 to $1499, and return flights typically cost between $637 and $3603. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Seoul (ICN-Incheon Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) ticket fares go up or down.
*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Seoul (ICN-Incheon Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
The cheapest month to fly from ICN to SYD is June when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Seoul (ICN-Incheon Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
5 airlines operate nonstop service from ICN to SYD:
- Asiana Airlines operates around 7 direct flights from ICN to SYD every week
- Korean Air operates around 7 direct flights from ICN to SYD every week
- Jetstar operates around 7 direct flights from ICN to SYD every week
- T'way Air with baggage operates around 7 direct flights from ICN to SYD every week
- T'Way Air operates around 7 direct flights from ICN to SYD every week
How do I find cheap flights from Seoul (ICN-Incheon Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
To find a cheap flight from Seoul (ICN-Incheon Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Seoul (ICN-Incheon Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
The best airline to fly with from Seoul (ICN) to Sydney, NSW (SYD) will differ from traveler to traveler. If you like to fly early, Korean Air offers early morning flights. If price is the most important factor, T'Way Air typically offers the lowest fares. Cathay Pacific offers the most daily flights from ICN to SYD, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Seoul (ICN-Incheon Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Seoul (ICN-Incheon Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
You can find approximately 4 nonstop flights per day from Incheon Intl. (ICN) to Kingsford Smith Intl. (SYD). For more options, look at flights that include layovers.
What is the earliest flight from Seoul (ICN-Incheon Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
The earliest flight from Seoul (ICN) to Sydney (SYD) generally departs at around 12:10 AM, operated by Malaysia Airlines. This service operates year-round, and an early departure can help you make the most of your time upon arrival in Sydney. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Seoul (ICN-Incheon Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
The most popular departure times for flights from Seoul (ICN) to Sydney (SYD) are in the late afternoon, from 3pm to 6pm. About 25% of passengers prefer this time window. Many major carriers, including Singapore Airlines and China Eastern Airlines, offer flights during this window. This timing works well because it allows you to enjoy your day in Seoul before heading to the airport.
How long does it take to fly from Seoul (ICN-Incheon Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
Direct flights from ICN to SYD usually take about 10 hours 20 minutes, traveling roughly 5,182 miles. If you opt for a connecting flight, expect to add around 12 hours 40 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Seoul (ICN-Incheon Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
Business class is available on flights from ICN to SYD. Airlines that offer business class service on this route include:
- China Southern Airlines
- Xiamen Airlines
- Korean Air
- Thai Airways International
- Cathay Pacific
- Air China
- Singapore Airlines
- Malaysia Airlines
- Asiana Airlines
- Philippine Airlines
How much is a business class flight from Seoul (ICN-Incheon Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
A direct, return business class ticket from Seoul (ICN) to Sydney (SYD) typically costs between $3,517 and $4,280. A non-stop, one-way business class flight is usually around $1,518 to $1,883. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Seoul (ICN-Incheon Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) if you opt for a connecting flight.
*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Seoul (ICN-Incheon Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight with Expedia?
It's easy to earn miles on a Seoul (ICN-Incheon Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.
*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Sydney from Incheon Intl. (ICN)?
From Incheon Intl. (ICN), you can fly into Kingsford Smith Intl. (SYD) to reach Sydney. Some flights may connect through major hubs like Hong Kong Intl. (HKG), Liuting Intl. (TAO), Penglai Intl. (YNT) before reaching Sydney. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seoul (ICN-Incheon Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) at the last minute?
Typically, booking a last minute flight from Seoul (ICN-Incheon Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seoul (ICN-Incheon Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight and hotel package?
Securing a Seoul (ICN-Incheon Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) Sydney Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seoul (ICN-Incheon Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
If you booked your Seoul (ICN-Incheon Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.
Travel information
Origin airport | Incheon Intl. Airport |
|---|---|
Destination airport | Sydney Airport |
Distance | 5,182 miles away |
Airlines serving | Vietnam Airlines, Thai Airways International, Qantas Airways, Cathay Pacific, Malaysia Airlines, China Eastern Airlines, Singapore Airlines, Philippine Airlines, Korean Air, China Airlines, Scoot, Hong Kong Airlines, Vietjet Air, T'way Air with baggage, China Southern Airlines, Asiana Airlines, Malindo Air, Xiamen Airlines, All Nippon Airways, Jetstar, Air China, Japan Airlines, HO, Garuda Indonesia, T'Way Air, Sichuan Airlines, Hahn Air Systems, Hainan Airlines, Shenzhen Airlines, United, Air Canada, Turkish Airlines, W2 |
Popular airline | Vietnam Airlines |
Roundtrip price | $532 |
Average flight time | 10 hours 20 mins |